Finding the Fourth Proportional to 338,194,779.87, 466,701,207.10 and 197,057,205.07
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Solution
The fourth proportional to 338,194,779.87, 466,701,207.10 and 197,057,205.07 is: 271,934,521.02
Step by Step Solution
- Step 1: Write the proportion equation
338,194,779.87 : 466,701,207.10 = 197,057,205.07 : x - Step 2: Convert to fraction form
338,194,779.87/466,701,207.10 = 197,057,205.07/x - Step 3: Cross multiply
338,194,779.87x = 466,701,207.10 × 197,057,205.07 - Step 4: Simplify right side
338,194,779.87x = 91,966,835,473,921,248 - Step 5: Solve for x
x = 91,966,835,473,921,248/338,194,779.87 - Step 6: Final answer
x = 271,934,521.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.